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The Lie Outlives the Liar: Why Removing the Bad Agent Is Already Too Late

This story is from 2026-09-28. It is preserved in the archive; the latest stories are on the live feed.

They deleted the deceiver from the conversation. The false belief stayed, carried by agents that never lied. In August 2026, nine researchers published the cleanest version yet of an experiment every multi-agent developer eventually runs by accident. They built 120 small worlds. In each one, an obj…

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  1. 2026-09-28 03:25 · DEV Community — AI
    The Lie Outlives the Liar: Why Removing the Bad Agent Is Already Too Late

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